Finding the Third Proportional to 74,661.75 and 112,812.75
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Solution
The third proportional to 74,661.75 and 112,812.75 is: 170,458.32
Step by Step Solution
- Step 1: Write the proportion equation
74,661.75 : 112,812.75 = 112,812.75 : x - Step 2: Convert to fraction form
74,661.75/112,812.75 = 112,812.75/x - Step 3: Cross multiply
74,661.75x = 112,812.75 × 112,812.75 - Step 4: Simplify right side
74,661.75x = 12,726,716,562.56 - Step 5: Solve for x
x = 12,726,716,562.56/74,661.75 - Step 6: Final answer
x = 170,458.32
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.